Ultrasonic dog trainer



FIG. 1 is a perspective view of an ultrasonic dog trainer, showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlargement detail view of FIG. 1 .

The broken lines shown depict unclaimed features of the ultrasonic dog trainer and form no part of the claimed design. 

CLAIM The ornamental design for an ultrasonic dog trainer, as shown and described. 